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Oldest Human DNA Leads to More Questions Than Answers

Researchers are scratching their heads after discovering a 400,000-year-old fossil related to a little-known human ancestor known as Denisovans.

http://www.wltx.com/video/2895442941001/1/Oldest-Human-DNA-Leads-to-More-Questions-Than-Answers http://cdn.newslook.com/90/90d7ded3f09a601dc5699425a5eaf48a/images/frame_0020.jpg Oldest Human DNA Leads to More Questions Than Answers Researchers are scratching their heads after discovering a 400,000-year-old fossil related to a little-known human ancestor known as Denisovans. technologyWLTX 02:11

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